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Statistical Analyses Data was collected on a sample of 100 students to determine if there is a linear relation between time spent taking an exam, in minutes, and the exam score received. Here are the results: Term Coef SE Coef T Scatterplot of Exam Score vs Time (min.) Constant 22 . 4391 5. 49841 Time (min. ) 1. 3030 0. 13596 100 90 Summary of Model S = 12. 2178 R-Sq - 48.12 R-Sq (adj ) = 47. 60% PRESS - 15297.5 R-Sq (pred) = 46. 30 Predicted Values for New Observations 150 New Obs Fit SE Fit 95 CI 95% PI 1. 58148 (60. 9966, 67. 2726) (39 . 6895, 88.5796) What critical value should be used to create a 80% confidence interval for 2 points the slope? The answer must be a number. Your